Rob Vesse created JENA-507:
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Summary: Add support for Leviathan extension functions to ARQ
Key: JENA-507
URL: https://issues.apache.org/jira/browse/JENA-507
Project: Apache Jena
Issue Type: Improvement
Components: ARQ
Reporter: Rob Vesse
The Leviathan Function library is a set of extension functions present in
dotNetRDF's SPARQL engine. It contains a useful set of numeric functions which
would be useful to have available in core ARQ and would boost portability of
queries between ARQ and dotNetRDF (note that dotNetRDF already supports ARQs
extension functions).
See
https://bitbucket.org/dotnetrdf/dotnetrdf/wiki/DeveloperGuide/SPARQL/Leviathan%20Functions
for definition of functions
Note that some of these overlap with new XPath 3 functions but for portability
purposes there is no reason not to support these as well since most are
relatively trivial to implement. I will file a separate issue for supporting
XPath 3 functions.
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